Jiangnan University

Qigao Fan

Gang Wang

Li Peng

Linbai Xie

Linbo Xie

Guofeng Yang

Wentao Huang

Haichi Luo

Zhengqing Zhao

Yixin Zhu

Kaitao Bi

Hongwei Feng

Yueyang Li

A micro-robot magnetic drive device and a control method based on double closed loop three-dimensional path tracking are disclosed. The method includes: inputting a desired tracking path, obtaining current pose information of a magnetic micro-robot through a camera, and then calculating a position of a center of mass, an actual axial direction, coordinates of a desired position point with the shortest distance from the center of mass on a desired tracking path, and a tangent direction of this point; calculating a horizontal distance, a vertical distance, a direction angle error, and a pitch angle error of the two points according to the actual axial direction, the tangent direction, and disturbance compensation; and obtaining a required rotating magnetic field according to a designed position closed loop controller.

Micro-robot magnetic drive device and control method based on double closed loop three-dimensional path tracking

An impedance matching network optimization method for a wireless power transfer system under maximum efficiency tracking belongs to the field of wireless power transfer. The present invention proposes a novel impedance matching network optimization method for a WPT system under maximum efficiency. The method analyzes the nonlinearity of a bridge rectifier circuit, the adaptability of load change and other factors related to the maximum efficiency tracking, and provides an important reference for the WPT system in terms of maximum transfer efficiency.

Impedance matching network optimization method for wireless power transfer system under maximum efficiency tracking

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Jiangsu, China

Qigao Fan